4. Troubleshooting
4. Troubleshooting
4. Troubleshooting
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<strong>4.</strong> <strong>Troubleshooting</strong><br />
4-3-14 If oven malfunction<br />
Oven does not operate.<br />
Is Fuse OK?<br />
YES<br />
Is the magnetron<br />
temperature switch normal?<br />
YES<br />
Is SMPS power supply<br />
cirduit normal?<br />
YES<br />
Is the IC01 output of<br />
PCB normal?<br />
YES<br />
Checking high<br />
voltagecircuts<br />
*Inspection method<br />
NO Is Primary interlock<br />
switch normal?<br />
NO<br />
NO<br />
NO<br />
NO<br />
YES<br />
Is Power Relay normal?<br />
Replace switch<br />
Do check power supply<br />
circuit<br />
Do check<br />
Relay control circuit<br />
Is high voltage dioed<br />
normal?<br />
Is high voltage dioed<br />
normal?<br />
YES<br />
Is high voltage<br />
capacitor normal?<br />
YES<br />
Is magnetron normal?<br />
30<br />
NO<br />
NO<br />
NO<br />
NO<br />
NO<br />
NO<br />
NO<br />
Power supply circuit check point<br />
Relay control circuit check point
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